10pcs Stainless steel Ceramic Bearing Ball bearings for NSK high speed handpiece Features: Ceramic Bearing Ball Using For NSK Dental High Speed handpiece Model：SR144TL Size：6X3X2mm Manual measurement, please allow error in 0.1-0.5mm ! 1 ceramic beads bearing heat reduces, longer service life 2 high temperature and high pressure sterilization 3 fast, sound 4 black holder, imported ceramic Package included:10pc.
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